wireless Seismic RT System 2 - Figure 3-7 Line Interface Unit (LIU); Liu

38 RT System 2 v2.3 Deployment Guide R01.i
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3. Backhaul
Backhaul Components
3.2.1 LIU
The data transmitted by the WRUs is collected by the Line Interface Unit (LIU). The LIU acts
as the interface between the network of WRUs and the backhaul equipment. The LIU has an
Ethernet port that can be connected directly to a computer, or more commonly, to an
armored fiber optic cable or a backhaul radio. Backhaul radios operate in the 5.8 GHz band.
A second array of WRUs can be deployed on the other side of the LIU, symmetrically or
asymmetrically around the LIU. The LIU is shown in the following figure:
Before the Central Software System can communicate with the LIU, you must set up the
backhaul.
Figure 3–7 Line Interface Unit (LIU)
NOTE
See “D. LED Indicators” on page 163 for an explanation of the LED status and
error conditions.